OpenRouter is for building.
Merge is for shipping.
When AI becomes customer-facing, you need per-customer controls, observability, and governance built into your infrastructure.
The core difference
OpenRouter
Built for model access
OpenRouter helps developers quickly access and switch between hundreds of models through one API.
Best for:
- Rapid experimentation
- Small teams moving quickly
- Broad model access
- Flexible routing and failover
As AI usage scales, teams often need deeper controls around reliability, spend, and governance.
Built for production
Merge Gateway adds a centralized control layer between your application and model providers.
Best for:
- Customer-level cost controls and pricing
- Governance, security, and observability
- Reliable multi-provider routing
- Operating AI without custom infrastructure
As AI becomes customer-facing, teams need more visibility, control, and operational reliability across every request.
What OpenRouter does well
OpenRouter is fast, flexible, and built for rapid experimentation. Access hundreds of models through one API, compare providers quickly, and get to production faster without managing dozens of integrations.
Designed for different stages
Capability | | OpenRouter |
|---|---|---|
Custom routing policies |  Route by customer, feature, region, use case, or capability |  Optimized for provider and model selection, no customer-context routing |
Cost attribution | Track spend by customer, project, team, or feature | Limited to org, workspace, and project tracking, not SaaS economics |
Data protection | Built-in DLP and prompt injection protection | Basic privacy controls and provider- safeguards. No enterprise DLP. |
Request-level visibility | Inspect model, cost, latency, and routing per request | Basic request logging exists, but still in early development |
Production observability | Visibility into performance, failures, and cost drivers | Observability focused on engineering workflows |
Governance controls | Enforce residency, security, and model policies centrally and by customer | Org-level controls with limited customer-level governance |
Why teams choose Merge Gateway
Route AI around your business
Route requests by customer, feature, region, compliance requirements, or performance goals without maintaining infrastructure
Understand AI costs and protect margins
See which customer, team, or feature is driving spend. Set per-customer budgets and audit costs without custom tooling.
Apply security and governance centrally
Scan every prompt sensitive information and injections. Block or redact before data reaches any provider. Every decision is logged.
Track performance across every request
See every request by customer, model, cost, latency, and routing path. Filters let you see spend, performance, and routing behavior.
Enforce policies without slowing teams down
Apply data residency, DLP, and model controls at the infrastructure layer. Compliance is enforced before requests hit any model.
Reduce AI spend automatically
Control spend with budgets, attribution, and routing policies that optimize costs without engineering effort
When to move from OpenRouter to Merge
When.. | OpenRouter can... | Teams choose Merge to... |
|---|---|---|
Costs become material | Cap spend per API key | Break down costs per customer, team, or feature and enforce real-time budgets |
Customers have different model requirements | Apply model restrictions at the org level | Enforce separate model and region policies per customer |
More teams get involved | Manage keys and access at the org level | Give finance, security, and ops visibility and spend controls per project, without code changes |
AI becomes customer-facing | Track usage at the API key level | Attribute every request to the customer that generated it and enable usage-based pricing |
Governance requirements increase | Enable DLP and zero data retention (ZDR) at enterprise tier | Enforce DLP, ZDR, prompt injection scanning, and per-customer policy controls across all tiers |
Operations become harder to manage | Send traces to observability platforms better suited for debugging and evals | Natively log and view every request with full attribution by customer, model, and provider |
Real customer example
"Merge Gateway offers better LLM routing, cost control, and observability functionality than OpenRouter. We only gained net-new capabilities by switching."
See Gateway in action
Discover how teams control costs, govern AI safely, and scale production AI features reliably.
Limited-time promo: Zero fees for 12 months when you sign up by June 30. Offer terms here.
